//
//  CityModel.m
//  WE
//
//  Created by apple on 15/11/19.
//  Copyright © 2015年 UNOHACHA. All rights reserved.
//

#import "CityModel.h"

@implementation CityModel

+ (CityModel *)mainCityModel{
    static CityModel *handle = nil;
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        handle = [[CityModel alloc] init];
        handle.str = [NSString string];
    });
    return handle;
    
    
}

@end
